84413490 has 128 divisors (see below), whose sum is σ = 243855360. Its totient is φ = 18294528.

The previous prime is 84413489. The next prime is 84413491. The reversal of 84413490 is 9431448.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (84413489) and next prime (84413491).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (84413491) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 505387 + ... + 505553.

It is an arithmetic number, because the mean of its divisors is an integer number (1905120).

Almost surely, 2^84413490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84413490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121927680).

84413490 is an abundant number, since it is smaller than the sum of its proper divisors (159441870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84413490 is a wasteful number, since it uses less digits than its factorization.

84413490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 84413490 is about 9187.6814267801. The cubic root of 84413490 is about 438.6693441888.

The spelling of 84413490 in words is "eighty-four million, four hundred thirteen thousand, four hundred ninety".